About Maruwa Company

Maruwa Co Ltd engages in production and sale of ceramics and electronics parts. The company operates in four business divisions namely Ceramics that produces ceramic substrates, designs, and patterns circuit on substrates, processes components mounting, Electronic Components/Devices that produce radio frequency components or devices such as EMI filters, magnetic sheets, inductors, and EMC components, Quartz Glass that produces quartz glass products, including quartz boats and tubes for semiconductor industry, multi-walled piping burner for optical fiber, and machined products, and Light-Emitting Diode that produces light-emitting diode lighting fixtures including street lighting, lighting for interior and high ceiling.